I'd probably lean towards Windows XP with the W2k theme (at least later in its life) but it was basically the same thing. Main difference was easier-to-install

I'd probably lean towards Windows XP with the W2k theme (at least later in its life) but it was basically the same thing. Main difference was easier-to-install video card drivers, though you could often get them to work on W2k by editing INI files.